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ChemSpider
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Molecular Formula:
Define range intervals using parentheses.
E.g. C7H(10-14)O(0-4)
Molecular Weight:
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(example: 123 ± 1)
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M+CH3CNH
M+CH3OH2
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M+Na
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+e
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M+CH3CNH
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Found 3676 results
Search term:
MF = 'C_{21}H_{18}N_{4}O_{2}'
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ID
Structure
Molecular Formula
Molecular Weight
# of Data Sources
# of References
# of PubMed
# of RSC
289406
- 0/1 defined
zoom
C
21
H
18
N
4
O
2
358.3932
41
52
0
0
2392134
- 0/1 defined
zoom
C
21
H
18
N
4
O
2
358.39322
34
49
0
0
10840619
zoom
C
21
H
18
N
4
O
2
358.3932
29
36
0
0
2392133
- 0/1 defined
zoom
C
21
H
18
N
4
O
2
358.39322
29
42
0
0
2750455
- 0/1 defined
zoom
C
21
H
18
N
4
O
2
358.39322
26
33
0
0
4488914
zoom
C
21
H
18
N
4
O
2
358.3932
24
37
0
0
4494932
zoom
C
21
H
18
N
4
O
2
358.3932
24
35
0
0
3120091
zoom
C
21
H
18
N
4
O
2
358.3932
22
23
0
0
2487479
zoom
C
21
H
18
N
4
O
2
358.3932
22
25
0
0
2496647
zoom
C
21
H
18
N
4
O
2
358.3932
22
26
0
0
2226305
zoom
C
21
H
18
N
4
O
2
358.39322
22
27
0
0
1059348
zoom
C
21
H
18
N
4
O
2
358.3932
22
24
0
0
1092073
zoom
C
21
H
18
N
4
O
2
358.3932
22
26
0
0
1098476
zoom
C
21
H
18
N
4
O
2
358.3932
21
25
0
0
1129526
zoom
C
21
H
18
N
4
O
2
358.3932
21
23
0
0
1129909
zoom
C
21
H
18
N
4
O
2
358.3932
21
22
0
0
1264928
zoom
C
21
H
18
N
4
O
2
358.3932
21
26
0
0
910863
zoom
C
21
H
18
N
4
O
2
358.3932
21
23
0
0
1052716
zoom
C
21
H
18
N
4
O
2
358.3932
21
23
0
0
3357117
- 0/1 defined
zoom
C
21
H
18
N
4
O
2
358.39322
21
25
0
0
1
2
3
4
5
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